000			004060000a22001690004500
080			_a620.17(083) _bR6
100			_aRoark, Raymond J.
245			_aFormulas for stress and strain
250			_a2nd ed.
260			_aNew York _bMcGraw-Hill _c1943
440			_aProduct development series
300			_axii, 366p. : ill.
650			_aMATERIALS
650			_aSTRESSES
650			_aSTRAIN
942			_cBK
999			_c52405 _d52405